I have a Magic Tilt trailer for my Hunter 23. The PO stored the boat on the trailer for a couple of years with the extension tongue pulled out. As a consequence, it has developed a ‘sag’ and it does not slide in and out freely. In fact, to move it, you’d have to whack it with a hammer. The tongue is about 2 1/2" on all four sides and about 6' to 8' long. Any suggestions on how to straighten it would be greatly appreciated!